SOLUTION: I need to find the geometric means in the sequence 180,____,5 and i need to know how to solve it

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Question 139304: I need to find the geometric means in the sequence
180,____,5
and i need to know how to solve it

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
I need to find the geometric means in the sequence
180,____,5
---------------
a(1) = 180
a(3) = 5
------------
a(3) = a*r^2
5 = 180r^2
r^2 = 5/180
r = sqrt(5/180)
r = 0.1666666667
================================
Cheers,
Stan H.